---
title: "Sumi Ink — $56K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/arts-crafts-sewing/sumi-ink"
last_updated: "2026-08-09T18:39:42.442Z"
locale: en
meta:
description: "Niche score 40/100 · $56K/yr market · 80K searches/yr · $10.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $56K/yr market · 80K searches/yr · $10.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sumi Ink — $56K/yr Amazon US Niche (2026) - Flapen"
---
# **sumi ink**
**Skip it**
A small market ($56K/yr) — this niche doesn't clear our bar today.
Market size 14Growth 19Conversion 72Competition 42Returns 90Price range 26Avg price 38Brand share 32Review moat 81Quality gap 24
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****380.44**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.6%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****$10.56**
avg listing price — sweet spot $15–$100
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****$5.94–$18.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-12.4%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$56K**
$56K/yr · 80K searches
According to Flapen's Amazon United States niche tracking, sumi ink is a $56K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 40/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sumi ink market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$63K–$84K**
- units × avg price
- **Conversion rate**
- **6.6%**
- **Avg BSR**
- **#80**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **4.5%**
- **Avg brand age**
- **81 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**70**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 100%
**Open market**
**11%**
- Yasutomo27% - 開明25% - SEAMEW16% - Flmouce11% - I-MART7% - Zig3% - Open — no brand owns it (5 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -12.4% search growth over the last 90 days.
2K2KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/arts-crafts-sewing/sumi-ink/trend)
## **Top sumi ink search terms**
- **sumi ink**42K/yr-0.0%8.2% conv. - **chinese ink**9K/yr-38.9%6.2% conv. - **chinese calligraphy ink**9K/yr-53.5%6.5% conv. - **sumi**5K/yr-0.5%0.5% conv. - **japanese ink**5K/yr-2.4%2.3% conv. - **tinta china**4K/yr-12.8%1.4% conv. - **gyotaku ink**3K/yr+59.3%3.2% conv. - **yasutomo sumi ink**3K/yr+47.9%7.3% conv. [**All search terms **](https://flapen.com/research/us/arts-crafts-sewing/sumi-ink/search-terms)
## **Top sumi ink products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$6K20%$11K30%$17K40%$22K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Moon Palace Sumi Ink 180ml**開明**$7.33**4.8★916 rev](https://www.amazon.com/dp/B001C70A8W) [2**Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)**Flmouce**$11.25**4.4★154 rev](https://www.amazon.com/dp/B0D4582LZ8) [3**Yasutomo Bokuju Liquid Ink - 12oz Sumi Ink for Calligraphy and Artwork - Black Drawing Ink for use with Japanese Ink Brushes and Dip Pens**Yasutomo**$18.22**4.6★183 rev](https://www.amazon.com/dp/B0044SA4JG) [4**Yasutomo Liquid Sumi Ink 2oz Black (KF2)**Yasutomo**$7.94**4.8★318 rev](https://www.amazon.com/dp/B000AMLR8M) [5**SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art**SEAMEW**$11.16**4.4★163 rev](https://www.amazon.com/dp/B0CXDBD77N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**I-MART Sumi Ink for Chinese Calligraphy & Japanese Brush Art Calligraphy Ink for Traditional Artworks India Ink Black for Painting & Writing (3.5 fl oz/100 ml Black)**I-MART**$5.94**56 rev1y ago](https://www.amazon.com/dp/B0DMZBW3NG) [**Qi Ming Wen Fang Calligraphy and Sumi Liquid Ink Traditional Black Sumi Ink for Chinese Calligraphy Painting and Japanese Brush Art Light Glue (3.5oz/ 100ml)**Qi Ming Wen Fang**$7.69**101 rev1y ago](https://www.amazon.com/dp/B0DLTF8CMN) [**Flmouce Sumi Ink Chinese Calligraphy Ink Liquid Black Carbon Ink Manga Ink (500ml (17oz) Black)**Flmouce**$14.17**154 rev2y ago](https://www.amazon.com/dp/B0D726XJFX) [**Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)**Flmouce**$11.25**154 rev2y ago](https://www.amazon.com/dp/B0D4582LZ8) [**SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art**SEAMEW**$11.16**163 rev2y ago](https://www.amazon.com/dp/B0CXDBD77N)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SEAMEW 250 ML/8.8 OZ Calligraphy and Sumi Liquid Ink - Versatile Elegance for Chinese Traditional Art Works and Japanese Brush Art**SEAMEW**$11.16**4.4★**▲ 87%**](https://www.amazon.com/dp/B0CXDBD77N) [**Yasutomo Bokuju Liquid Ink - 12oz Sumi Ink for Calligraphy and Artwork - Black Drawing Ink for use with Japanese Ink Brushes and Dip Pens**Yasutomo**$18.22**4.6★**▲ 17%**](https://www.amazon.com/dp/B0044SA4JG) [**Flmouce Sumi Ink Chinese Calligraphy Ink Liquid Black Carbon Ink Manga Ink (500ml (17oz) Black)**Flmouce**$14.17**4.4★**— 9%**](https://www.amazon.com/dp/B0D726XJFX) [**Moon Palace Sumi Ink 180ml**開明**$7.33**4.8★**— 8%**](https://www.amazon.com/dp/B001C70A8W) [**Flmouce 250ml Black Sumi Ink Chinese Brush Calligraphy Ink (8.45oz)**Flmouce**$11.25**4.4★**— 7%**](https://www.amazon.com/dp/B0D4582LZ8)
**~~View all trending →~~**
## **What buyers say about sumi ink**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Quality is good”*
**Color**15%
*“I also love the traditional colors, absolutely beautiful”*
**Value For Money**13%
*“Good value”*
**Cartridge/Ink Quality**12%
*“Good ink and black enough”*
**Smell**10%
*“I dont mind the earthy smell”*
**Quick Drying**6%
*“dries quickly”*
**Writing Experience**4%
*“good for caligraphy”*
**Texture/Consistency-Overall**4%
*“Great Flow Texture”*
**Advertised Vs Actual Product**4%
*“Exactly as described”*
**Ink Refill**3%
*“Good liquid ink”*
### **What buyers complain about **
**Water Resistance**33%
*“It is not water-resistant”*
**Quality-Overall**25%
*“Poor quality control”*
**Smell**25%
*“it has a peculiar smell”*
**Moist/Dry**8%
*“let is dry”*
**Advertised Vs Actual Product**8%
*“The description says that once dried it is insoluble in water. THIS ISN’T true.”*
### **Top return reasons **
**Value For Money**19%
**Quality-Overall**15%
**Ink Refill**13%
**Smell**13%
**Advertised Vs Actual Product**9%
**Defective Material/Parts**4%
**Size-Overall**4%
**Color**4%
**Functionality-Overall**4%
**Ink Leakage**3%
## **Common questions**
- **Is sumi ink profitable to sell on Amazon United States?**
- The niche generates $56K/yr across 16 tracked products. 90-day search growth is -12.4%. Flapen's verdict: Skip it (40/100).
- **How competitive is the sumi ink niche?**
- 11 brands and 70 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in sumi ink?**
- Top complaints mined from reviews: Water Resistance, Quality-Overall, Smell. The return rate is 1.2%.
- **When does demand for sumi ink peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the sumi ink niche?**
- Listings span $5.94–$18.22; the average listing price is $10.56 (sweet spot $15–$100). The average incumbent carries 380 reviews — the moat a new listing must climb.
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